console.log("this is from console.log")
$(document).ready(function (){
   document.getElementById("btn").onclick = function(){
   $.ajax({
   type:"get",
   url:"/sunck/studentinfo",
   dataType:"json",
   success:function(data, status){
   console.log(data)
    var d = data["data"]
    for(var i = 0; i<d.length;i++){
    document.write("<p>"+d[i][0]+"</p>")
    }

   }
   })
   }
})